Jul 12 12:18:37.022 INFO checking cheque-0.2.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 12:18:37.022 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 12:18:37.022 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 12:18:37.023 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 12:18:37.318 INFO blam! 1963d43c08cb5be4614bc89f2c78ce0fa3e53bec85e414bd008d9e62b68506e1
Jul 12 12:18:37.321 INFO running `"docker" "start" "-a" "1963d43c08cb5be4614bc89f2c78ce0fa3e53bec85e414bd008d9e62b68506e1"`
Jul 12 12:18:38.319 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Jul 12 12:18:39.941 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.941 INFO kablam!    --> lib.rs:130:9
Jul 12 12:18:39.941 INFO kablam!     |
Jul 12 12:18:39.941 INFO kablam! 130 |         a + a;
Jul 12 12:18:39.941 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.941 INFO kablam!     |
Jul 12 12:18:39.941 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 12:18:39.941 INFO kablam! 
Jul 12 12:18:39.941 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.941 INFO kablam!    --> lib.rs:131:9
Jul 12 12:18:39.941 INFO kablam!     |
Jul 12 12:18:39.941 INFO kablam! 131 |         a - a;
Jul 12 12:18:39.941 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.941 INFO kablam! 
Jul 12 12:18:39.941 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.941 INFO kablam!    --> lib.rs:132:9
Jul 12 12:18:39.941 INFO kablam!     |
Jul 12 12:18:39.941 INFO kablam! 132 |         a * a;
Jul 12 12:18:39.942 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.942 INFO kablam! 
Jul 12 12:18:39.942 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.942 INFO kablam!    --> lib.rs:133:9
Jul 12 12:18:39.942 INFO kablam!     |
Jul 12 12:18:39.942 INFO kablam! 133 |         a / a;
Jul 12 12:18:39.942 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.942 INFO kablam! 
Jul 12 12:18:39.942 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.942 INFO kablam!    --> lib.rs:134:9
Jul 12 12:18:39.942 INFO kablam!     |
Jul 12 12:18:39.942 INFO kablam! 134 |         a + 1;
Jul 12 12:18:39.942 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.942 INFO kablam! 
Jul 12 12:18:39.942 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.942 INFO kablam!    --> lib.rs:135:9
Jul 12 12:18:39.942 INFO kablam!     |
Jul 12 12:18:39.942 INFO kablam! 135 |         a - 1;
Jul 12 12:18:39.942 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.942 INFO kablam! 
Jul 12 12:18:39.942 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.942 INFO kablam!    --> lib.rs:136:9
Jul 12 12:18:39.942 INFO kablam!     |
Jul 12 12:18:39.943 INFO kablam! 136 |         a * 1;
Jul 12 12:18:39.943 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.943 INFO kablam! 
Jul 12 12:18:39.943 INFO kablam! warning: unused arithmetic operation which must be used
Jul 12 12:18:39.943 INFO kablam!    --> lib.rs:137:9
Jul 12 12:18:39.943 INFO kablam!     |
Jul 12 12:18:39.943 INFO kablam! 137 |         a / 1;
Jul 12 12:18:39.943 INFO kablam!     |         ^^^^^
Jul 12 12:18:39.943 INFO kablam! 
Jul 12 12:18:40.007 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
Jul 12 12:18:40.011 INFO kablam! su: No module specific data is present
Jul 12 12:18:40.581 INFO running `"docker" "rm" "-f" "1963d43c08cb5be4614bc89f2c78ce0fa3e53bec85e414bd008d9e62b68506e1"`
Jul 12 12:18:40.743 INFO blam! 1963d43c08cb5be4614bc89f2c78ce0fa3e53bec85e414bd008d9e62b68506e1